Edexcel GCSE Biology · 1BI0
Specification 1.12 · Paper 1, Paper 2
The chemical splitting of larger molecules into smaller molecules.
Revise: Importance of EnzymesBreakdown reactions split larger molecules into smaller molecules.
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GCSE Biology · key term
The splitting of a larger molecule into smaller molecules or subunits.
Used by Edexcel and OCR
Specification 1.12 · Paper 1, Paper 2
The chemical splitting of larger molecules into smaller molecules.
Revise: Importance of EnzymesBreakdown reactions split larger molecules into smaller molecules.
Specification B1.3d, B1.3e, B1.3f · Paper 1 (Foundation), Paper 3 (Higher)
The reverse process is .
State the direction of the reaction clearly: synthesis builds larger molecules, whereas breakdown produces smaller molecules.
For lipid breakdown, name both products: fatty acids and glycerol.
When describing digestion, link breakdown into smaller, soluble molecules with absorption.
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The splitting of a large molecule into smaller molecules.
The chemical separation of a larger molecule into smaller molecules.